Kendall Jenner Mocks Sister Kylie’s Extreme Lips — Watch

Uh oh.. is Kendall Jenner mocking her sister Kylie’s plump lips in this new Vine video? See for yourself!

Kendall Jenner, 19, had a little fun with her sister’s phone by hacking into her Vine account and sharing a few funny videos. In one of them, Kendall is using her finger to plump up her lips — making them look just like Kylie Jenner‘s.

Kendall Jenner: Mocking Kylie Jenner’s Lips?

Is this a harsh diss or just some playful sisterly love?

While logged into Kylie’s Vine, Kendall uploaded a 6-second video of herself pressing her finger to her lips to make them look bigger.

As you HollywoodLife.com readers know, Kylie is known for large, plump lips which she loves to show off with different dark colored lipsticks on Instagram.

The video has no caption, but you can hear what sounds like Kylie talking in the background as Kendall records herself.

In fact, Kendall even appears to be trying to get someone’s attention as she continuously looks to her right — but no dice!